17 (DVD) CAUTION AFTER REPLACING PARTS
17.1. (DVD) AFTER REPLACING THE RAM DRIVE
After replacing of RAM drive unit, TEST mode is not necessary. Please confirm operation for RAM drive.
In this case, all parameters are initialized.
17.2. (DVD) AFTER REPLACING THE TIMER MICROPROCESSOR
When the unit does not operate normally after replacing the Timer Microprocessor or Main P.C.B. with new one, reset Timer
Microprocessor.
Step
Operation
Descriptions
1
While power is ON, short IC37508-4 pin (RESET_OUT) and the GND
momentarily.
“RESET (L)” is transmitted to the XRESET terminal of
Timer Microprocessor (IC37501-11 pin), then the unit
operates normally.
17.3. (DVD) AFTER REPLACING EEPROM (IC37502)
IC37502 has clock setting data, Tuning data, Self-Diagnosis data (DVD & VHS) and VHS PG Shifter adjustment data.
Therefore after replacing IC37502, PG Shifter should be adjusted (refer to 18.1).
48
DMR-EH80VEG / DMR-EH80VEB
Summary of Contents for DMR-EH80VEG
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Page 101: ...26 EXPLODED VIEWS 26 1 MECHANISM CASING PARTS 101 DMR EH80VEG DMR EH80VEB ...
Page 102: ...26 2 FRONT PANEL PARTS 102 DMR EH80VEG DMR EH80VEB ...
Page 103: ...26 3 VHS MECHANISM PARTS 103 DMR EH80VEG DMR EH80VEB ...
Page 104: ...26 4 PACKING ACCESSORIES 104 DMR EH80VEG DMR EH80VEB ...
Page 159: ...28 3 POWER P C B FOR PRINTING A4 SIZE DMR EH80VEG DMR EH80VEB 159 ...
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Page 162: ...DMR EH80VEG DMR EH80VEB 162 ...
Page 172: ...DMR EH80VEG NICAM DECODER PCB COMPONENT SIDE 94 DMR EH80VEG DMR EH80VEB 172 ...
Page 177: ...25 11 SD CARD P C B SOLDER COMPONENT SIDE 97 DMR EH80VEG DMR EH80VEB 177 ...